:root{--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-primary-light: #818cf8;--color-secondary: #ec4899;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-bg: #0f0f23;--color-bg-secondary: #1a1a2e;--color-bg-tertiary: #25253a;--color-text: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-border: #334155;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .3);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*{margin:0;padding:0;box-sizing:border-box}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--color-bg);color:var(--color-text);min-height:100vh}a{color:var(--color-primary-light);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary)}button{cursor:pointer;font-family:inherit;font-size:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-md)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border:none;border-radius:var(--radius-md);font-weight:500;transition:all var(--transition-fast)}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-secondary)}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover{background:#dc2626}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-label{font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.form-input{padding:var(--space-sm) var(--space-md);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);transition:border-color var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-primary)}.form-input::placeholder{color:var(--color-text-muted)}.form-error{font-size:.875rem;color:var(--color-error)}.card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg)}.avatar{width:48px;height:48px;border-radius:var(--radius-full);object-fit:cover;background:var(--color-bg-tertiary)}.avatar-sm{width:32px;height:32px}.avatar-lg{width:64px;height:64px}.avatar-xl{width:96px;height:96px}